Results 51 to 60 of about 797 (174)

Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA [PDF]

open access: yes, 2017
This paper presents the designed and implementation of spread spectrum technology for data transfer to overcome the interference problems associated with narrow band, very high frequency and ultra high frequency data transfer systems. The spread spectrum
Karthick, N. (N)   +3 more
core  

A Network‐Driven Framework for Drug Response Precision Prediction of Acute Myeloid Leukemia

open access: yesAdvanced Science, Volume 12, Issue 36, September 25, 2025.
A network‐based precision medicine platform, named NetAML is offered for personalized treatment of AML. It combines network analysis and machine learning to develop 87 models predicting drug sensitivity for clinical drugs. NetAML identifies interpretable gene signatures that drive differential drug responses, enabling the prediction of individual ...
Yinyin Wang   +7 more
wiley   +1 more source

Extracellular vesicle proteomics uncovers energy metabolism, complement system, and endoplasmic reticulum stress response dysregulation postexercise in males with myalgic encephalomyelitis/chronic fatigue syndrome

open access: yesClinical and Translational Medicine, Volume 15, Issue 5, May 2025.
EVs were isolated from plasma of ME/CFS patients and healthy controls at baseline, and 15 min and 24 h postexercise. Untargeted proteomics revealed dysregulation in energy metabolism, the complement system, and the endoplasmic reticulum stress response. Changes in EV protein levels postexercise are associated with post‐exertional malaise.
Katherine A. Glass   +3 more
wiley   +1 more source

Artificial intelligence in soil science

open access: yesEuropean Journal of Soil Science, Volume 76, Issue 2, March–April 2025.
ABSTRACT Few would disagree that artificial intelligence (AI) holds potential for advancing knowledge and innovation. Over the past decades, substantial research has been devoted to the development and application of AI in soil science. While most of today's AI applications in soil science are related to machine learning (ML), AI also encompasses other
Alexandre M. J.‐C. Wadoux
wiley   +1 more source

Research on Anti-Single-Frequency Interference Ability of Underwater Acoustic DSSS Communication System with Short-Period PN Sequences

open access: yesApplied Sciences
To address the inability to quantitatively analyze the performance of the direct sequence spread spectrum (DSSS) communication system in the presence of short-period pseudo-noise (PN) sequences, this study derives the interference components resulting ...
Xiaowei Wang, Yong Wei, Qi Ma
doaj   +1 more source

Research on Wireless Sensor Adaptive Networking for Power Monitoring Based on Ultra Wide Band

open access: yesIET Generation, Transmission &Distribution, Volume 19, Issue 1, January/December 2025.
A new network architecture is proposed to address the issue of limited sensor energy and computing power, which utilizes routing nodes to collect sensor data and network the routing nodes. However, the current mature wireless communication technology and networking protocols cannot meet the high reliability and flexibility transmission requirements of ...
Kaiyun Wen, Hongshan Zhao, Shice Zhao
wiley   +1 more source

Week 9 Spread Spectrum [PDF]

open access: yes, 2017
Komunikasi Data 2017 Frequency Hopping Spread Spectrum (FHSS), Direct Sequence Spread Spectrum ...
Indriani Lestariningati, Susmini
core  

Radio Frequency Fingerprinting for WiFi Authentication Based on Detrended Fluctuation Analysis

open access: yesIET Information Security, Volume 2025, Issue 1, 2025.
Traditional physical‐layer authentication (PLA) approaches primarily rely on a limited set of hardware features, which restricts their robustness and accuracy in dynamic wireless environments. This paper proposes a novel PLA enhancement framework based on nonlinear signal analysis, introducing detrended fluctuation analysis (DFA) as a distinctive ...
Shuguang Wang   +6 more
wiley   +1 more source

Joint Interference Detection Method for DSSS Communications Based on the OMP Algorithm and CA-CFAR

open access: yesMATEC Web of Conferences, 2016
The existing direct sequence spread spectrum (DSSS) communications interference detection algorithms are confined to the high sampling rate. In order to solve this problem, algorithm for DSSS communications interference detection was designed based on ...
Zhang Yongshun, Jia Xin, Song Ge
doaj   +1 more source

Antisaturation Carrier Tracking Technique for Ground‐Based Positioning Systems

open access: yesIET Radar, Sonar &Navigation, Volume 19, Issue 1, January/December 2025.
Ground‐based positioning systems (GBPS) can offer high‐precision positioning in GNSS‐denied environments using carrier phase measurements but suffer from receiver front‐end saturation when processing strong signals from nearby base stations, limiting its usable positioning range. This paper proposes an antisaturation carrier tracking technique based on
Hongchuan Zhang, Zheng Yao, Mingquan Lu
wiley   +1 more source

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